CN115009856A - A kind of pneumatic conveying device for powder - Google Patents

Abstract

The invention discloses a pneumatic conveying device for powder, which comprises a storage bin and a collection bin, wherein a conveying pipe is communicated between the storage bin and the collection bin, an auxiliary device capable of treating the powder and avoiding collision between the powder is arranged in the conveying pipe, a static generating device capable of treating waste materials is arranged at the bottom of the conveying pipe, the pneumatic conveying device for the powder is provided with a moving device capable of driving a rubber pad to move on the inner wall of the conveying pipe, so that the inner part of the conveying pipe can be protected, the collision between sharp hard particles and the inner part of the conveying pipe can be avoided, meanwhile, the sharp hard particles can drive the same charges in the conveying process, so that repulsion force is generated between the sharp hard particles, the inner wall of the pipe can be prevented from being washed by the sharp hard particles, and the noise and the abrasion of the inner wall of the pipe in the conveying process can be reduced, the protection of the interior of the conveying pipe and sharp hard particles is also realized.

Description

A kind of pneumatic conveying device for powder

technical field

The invention relates to the technical field of pneumatic conveying, in particular to a pneumatic conveying device for powder materials.

Background technique

Pneumatic powder conveyor for powder uses the kinetic energy of airflow to transport granular materials along the powder conveying direction in a closed pipeline. It is a specific application of fluidization technology. The pneumatic conveying powder conveyor device has a simple structure and is easy to operate. , It can be transported in horizontal, vertical or inclined directions, and physical operations or some chemical operations such as heating, cooling, drying and air classification of materials can be carried out at the same time during the transporting process.

Some powder pneumatic conveyors will transport some sharp and hard particles with a relatively small diameter when they are in use. During transportation, the sharp and hard particles will collide with each other, and the sharp and hard particles will also collide with the inner wall of the conveying pipe. As a result, huge noise is generated during transportation, and at the same time, the collision between the sharp and hard particles and the inner wall of the conveying pipe will cause the internal wear of the pipe. To this end, we propose a pneumatic conveying device for powder.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pneumatic conveying device for powder to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pneumatic conveying device for powder materials, comprising a silo and a collection silo, a conveying pipe is communicated between the silo and the collecting silo, and the inside of the conveying pipe is provided with a silo. Auxiliary device for handling powder and avoiding collision between powders;

The auxiliary device includes a plurality of rubber pads disposed inside the conveying pipe, and a driving device capable of driving the plurality of rubbers to move is disposed outside the conveying pipe;

The bottom of the conveying pipe is provided with a static electricity generating device that can process waste materials.

Preferably, the driving device includes a plurality of connection grooves respectively disposed on the top and bottom of the conveying pipe and corresponding to the plurality of rubber pads, and the connection grooves are slidably connected to the outside of the rubber cushions, and the bottom of the conveying pipe is located at the connection A support plate 1 is arranged on the outside of the groove, and a shrink device that can drive the rubber pad to shrink is arranged on the support plate 1;

A second support plate is sleeved on the top of the conveying pipe and is located at the outer side of the connecting groove, and the second support plate is provided with a moving device that can drive a plurality of rubber pads to move;

The bottom of the second support plate is provided with a driving cylinder that can drive the second support plate to move in the vertical direction, and the bottom of the driving cylinder is connected to the bottom of the collection bin.

Preferably, the shrinking device includes a plurality of support rods arranged on the top of the support plate, the inner sides of the support rods are connected with rubber rolls through bolts, and both ends of the support rods are rotatably connected to a support frame, The support frame is connected with the top of the support plate;

One end of the supporting rod is provided with a driving component 1 that can drive the supporting rod 1 and the rubber roll to rotate.

Preferably, the moving device includes a plurality of supporting rods 2 arranged on the supporting plate 2, and two supporting frames are rotatably connected to both ends of the supporting rods 2, and the supporting frame 2 is connected to the bottom of the supporting plate 2. The two ends of the frame two are provided with a driving component two that can drive the support rod two to rotate;

A reel 1 is arranged on the inner side of the second support rod, a receiving line is arranged on the reel, and the bottom of the receiving line passes through the bottom of the conveying pipe and is connected with a bottom moving component;

The storage line is provided with a connecting device that can be connected with the rubber pad;

A plurality of placement grooves are arranged inside the conveying pipe, and a positioning ring capable of positioning the rubber pad is connected inside the placement grooves.

Preferably, the moving assembly includes a second reel, which is arranged on the outside of the bottom of the conveying pipe and corresponds to a number of support rods. The micro motor is connected with the outside of the conveying pipe through the motor frame.

Preferably, the connecting device includes a Y-shaped connecting wire arranged on the storage wire, and both ends of the Y-shaped connecting wire are provided with hooks connected to the rubber pad.

Preferably, the second drive assembly includes drive gears respectively disposed at both ends of the second support rod, the outer sides of the two adjacent drive gears are meshed and connected, and any one of the second support rods is connected with a double-headed motor, and the double-headed motor It is arranged on the top of the second support plate through the motor frame.

Preferably, the electrostatic generating device includes an electrostatic generator disposed at the bottom of the conveying pipe and located outside the first support plate, and a metal plate is provided at the top of the conveying pipe and at the top of the second support plate, and the metal plate is ground.

Preferably, the shrinking device includes a plurality of support rods arranged on the top of the support plate, a rubber roll is connected to the inner side of the support rods through bolts, and a support frame is rotatably connected to both ends of the support rods, The support frame is connected with the top of the support plate;

One end of the supporting rod is provided with a driving component 1 that can drive the supporting rod 1 and the rubber roll to rotate.

Preferably, the first drive assembly includes a spiral spring respectively disposed at one end of the support rod, and the first support frame is provided with a groove connected to the outer side of the spiral spring.

Compared with the prior art, the beneficial effects of the present invention are:

1. The device of the present invention, the set moving device can drive the rubber pad to move on the inner wall of the conveying pipe, so as to protect the inside of the conveying pipe and avoid collision between sharp and hard particles and the interior of the conveying pipe, and the static electricity generating device set at the same time can be In the process of transmission, the sharp and hard particles drive the same electric charge, so as to generate repulsion between the sharp and hard particles, which can prevent the sharp and hard particles from scouring the inner wall of the pipeline, thereby reducing the noise generated during the transmission process and the wear of the inner wall of the pipeline. Realize the protection of the inside of the delivery pipe and sharp and hard particles.

2. In the equipment of the present invention, the rubber pad provided can protect the inside of the conveying pipe, which can prevent the powder from sticking to the inner wall of the conveying pipe when transferring other powder materials, and the conveying pipe is long and inconvenient to clean.

Description of drawings

1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic diagram 1 of a cross-sectional front view of a conveying pipe of the structure of the present invention;

FIG. 3 is a schematic diagram 2 of a cross-sectional front view of a conveying pipe of the structure of the present invention;

FIG. 4 is a schematic top view of a cross-sectional view of a conveying pipe of the structure of the present invention;

5 is a schematic front view of the structure shrinking device of the present invention;

FIG. 6 is a schematic diagram 1 of a structural drive assembly according to the present invention;

7 is a schematic front view of a mobile device with a structure of the present invention;

8 is a schematic front view of a structural part of the present invention;

FIG. 9 is a schematic diagram 2 of a bottom view of a driving assembly 1 showing the structure of the present invention.

In the figure: 1-silo; 10-collecting bin; 11-conveying pipe; 2-auxiliary device; 20-rubber pad; 3-driving device; 4-static generating device; 12-connecting groove; 30-supporting plate 1; 5- retraction device; 31- support plate two; 6- mobile device; 32- drive cylinder; 50- support rod one; 51- rubber roll; 52- support frame one; 53- drive assembly one; 60- support rod two; 61-support frame two; 62-drive assembly two; 63-reel one; 64-accommodating line; 7-moving assembly; 8-connecting device; 65-placement slot; 66-positioning ring; 70-reel two; 71-miniature Motor; 80-Y-shaped connecting wire; 81-Hook; 67-Drive gear; 68-Double motor; 40-Electrostatic generator; 41-Metal plate; 54-Scroll spring;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-9, the present invention provides a technical solution: a pneumatic conveying device for powder, comprising a silo 1 and a collection silo 10, and a conveying pipe 11 is communicated between the silo 1 and the collection silo 10, The conveying pipe 11 is provided with an auxiliary device 2 which can process the powder and avoid collision between the powders;

The auxiliary device 2 includes four rubber pads 20 disposed inside the conveying pipe 11, and a driving device 3 that can drive a plurality of rubbers to move is disposed outside the conveying pipe 11;

The bottom of the conveying pipe 11 is provided with a static electricity generating device 4 that can process waste materials.

When in use, powder is placed inside the silo 1, and the powder inside the silo 1 is transported to the inside of the collection bin 10 through the conveying pipe 11 by the existing fan, and the powder passes through the electrostatic generator 40 during transportation. With static electricity, the sharp and hard particles of the powder will be charged with the same static electricity. When conveying inside the conveying pipe 11, there will be repulsion between the sharp and hard particles of the powder, and no internal collision will occur. At the same time, the rubber pad 20 can remove the powder The sharp and hard particles of the material are isolated from the inner wall of the conveying pipe 11, so that the sharp and hard particles of the powder material can be prevented from colliding with the inside of the conveying pipe 11 to generate noise, and both the sharp and hard particles of the powder material and the interior of the conveying pipe 11 can be protected;

At the same time, the driving device 3 can drive a plurality of rubber pads 20 to move during use, so that the rubber pads 20 can be replaced, so as to avoid powder sticking inside the rubber pad 20 when some other powder materials are conveyed. The inside of the conveying pipe 11 is protected, so that the inside of the conveying pipe 11 can be cleaned more conveniently.

The driving device 3 includes four connecting grooves 12 respectively disposed on the top and bottom of the conveying pipe 11 corresponding to the four rubber pads 20 , and the connecting grooves 12 are slidably connected to the outside of the rubber pads 20 . The bottom of the conveying pipe 11 is slidably connected. . A support plate 1 30 is fixed on the outer side of the connecting groove 12, and the support plate 1 30 is provided with a shrinking device 5 that can drive the rubber pad 20 to shrink (as shown in Figure 5-6);

A supporting plate 2 31 is sleeved on the top of the conveying pipe 11 and is located at the outer side of the connecting groove 12 .

A driving cylinder 32 is fixed at the bottom of the second supporting plate 31 to drive the supporting plate 2 31 to move in the vertical direction, and the bottom of the driving cylinder 32 is connected with the bottom of the collecting bin 10 .

When in use, the rubber pad 20 can be installed on the shrinking device 5, and the shrinking device 5 can drive the rubber pad 20 to expand and contract, while the moving device 6 can fix one end of the rubber pad 20, and the shrinking device 5 and the moving device 6 can drive the rubber pad 20. The pads 20 protrude from the connecting grooves 12 at the bottom and the top of the delivery pipe 11 , so that the rubber pad 20 can fit with the inside of the delivery pipe 11 to protect the inside of the delivery pipe 11 .

Embodiment 1:

The retracting device 5 (as shown in Fig. 5-6 ) includes four supporting rods 1 50 arranged on the top of the supporting plate 1 30 . A rubber roll 51 is movably connected to the inner side of the supporting rods 50 through bolts. Both ends of 50 are rotatably connected with a support frame one 52 through bearings, and the support frame one 52 is fixedly connected with the top of the support plate one 30;

The two ends of the support rod one 50 are provided with a drive assembly 53 that can drive the support rod one 50 and the rubber roll 51 to rotate. The drive assembly has the same structure as the drive assembly two 62;

The drive assembly one 53 includes drive gears 67 fixed on both ends of the support rod one 50 respectively. The outer sides of the two drive gears 67 close to each other are meshed and connected. The double-headed motor 68 is fixed on the top of the support plate one 30 through the motor frame;

When in use, the rubber roll 51 with the rubber pad 20 can be fixed on the inner side of the support rod 1 50 by bolts, and then the mobile device 6 is connected with the bottom of the rubber pad 20, so that when the rubber pad 20 is placed or replaced, It is only necessary to open the double-headed motor 68 when the moving device 6 is opened, and the double-headed motor 68 drives the support rod 1 50 and the rubber roll 51 to rotate, and the support rod 1 50 is driven by a plurality of driving gears 67. Each support rod 50 rotates at the same time, so as to drive the rubber pad 20 to extend or shrink for replacement.

Embodiment 2:

The retracting device 5 (as shown in FIGS. 8-9 ) includes several supporting rods 1 50 arranged on the top of the supporting plate 1 30 . The inner side of the several supporting rods 50 is connected with a rubber roll 51 by bolts. The supporting rod 1 50 Both ends are rotatably connected with a support frame 1 52 through a bearing, and the support frame 1 52 is fixedly connected with the top of the support plate 1 30;

Both ends of the support rod one 50 are provided with a driving component one 53 that can drive the support rod one 50 and the rubber roll 51 to rotate.

The driving component one 53 includes spiral springs 54 respectively fixed on both ends of the support rod one 50, and the support frame one 52 is provided with a groove 55 that is fixedly connected to the outer side of the spiral spring 54;

When in use, the rubber roll 51 with the rubber pad 20 can be fixed on the inner side of the support rod 1 50 by bolts, and then the mobile device 6 is connected with the bottom of the rubber pad 20, so that when the rubber pad 20 is placed or replaced, When the moving device 6 is opened, the moving device 6 can drive the rubber pad 20 to expand and contract. When the rubber pad 20 needs to be recovered, the moving device 6 rotates in the opposite direction. Under the action of the scroll spring 54, the support rod 50 and the rubber roll 51 Reverse rotation can shrink the rubber pad 20, so as to drive the rubber pad 20 to extend or contract for replacement.

The moving device 6 (as shown in FIG. 7 ) includes a plurality of second support rods 60 arranged on the second support plate 31 , and two ends of the second support rod 60 are rotatably connected to a second support frame 61 through bearings. The second support frame 61 It is fixedly connected with the bottom of the second support plate 31. The two ends of the support frame 261 are provided with a second drive assembly 62 that can drive the second support rod 60 to rotate. The structure of the second drive assembly 62 is the same as that of the first drive assembly of the first embodiment ;

The second drive assembly 62 includes drive gears 67 respectively fixed at both ends of the second support rod 60. The outer sides of the two adjacent drive gears 67 are meshed and connected. A double-headed motor 68 is fixed on any one of the second support rods 60. The double-headed motor 68 is fixed on the top of the second support plate 31 through the motor frame;

A reel 63 is fixed on the inner side of the second support rod 60, a receiving line 64 is fixed on the reel, and the bottom of the receiving line 64 passes through the bottom of the conveying pipe 11 and is connected to a bottom moving assembly 7;

The moving assembly 7 includes a second reel 70 disposed on the outer side of the bottom of the conveying pipe 11 and corresponding to several support rods 50. A micro motor 71, the micro motor 71 is fixedly connected to the outside of the conveying pipe 11 through the motor frame;

The receiving wire 64 is provided with a connecting device 8 that can be connected to the rubber pad 20 . The connecting device 8 includes a Y-shaped connecting wire 80 fixed on the receiving wire 64 , and two ends of the Y-shaped connecting wire 80 are respectively fixed with The hook 81 connected with the rubber pad 20;

The conveying pipe 11 is provided with a plurality of placement grooves 65, and a positioning ring 66 for positioning the rubber pad 20 is fixed inside the placement grooves 65;

When in use, when the rubber roll 51 is fixedly connected with the support rod 1 50, the two hooks 81 are respectively connected with the bottom of the rubber pad 20, and then the micro motor 71 and the double-headed motor located on the top of the conveying pipe 11 are turned on. 68. In this way, the first reel 63 and the second reel 70 can rotate at the same time, which can drive the receiving line 64 to move, so that the receiving line 64 can drive one end of the rubber pad 20, so that the connecting groove 12 at the bottom of the conveying pipe 11 penetrates into the inside of the conveying pipe 11, and from the inside of the conveying pipe 11. The positioning ring 66 passes through the placement groove 65, the positioning ring 66 can position the rubber pad 20, and finally comes into contact with the reel one 63 from the connecting groove 12 at the top of the conveying pipe 11, so that the rubber pad 20 can be positioned, Realize the protection of the powder metal ball and the inside of the conveying pipe 11;

When the rubber pad 20 needs to be replaced, it is only necessary to continue to turn on the micro motor 71 and the double-headed motor 68 located at the top of the conveying pipe 11 to drive the rubber pad 20 to continue to rotate, thereby realizing the replacement of the rubber pad 20;

When it is necessary to replace the entire rubber pad 20 and the rubber roll 51, it is necessary to open the micro motor 71 and the double-headed motor 68 on the top to make them rotate in the opposite direction, and the connection of the rubber pad 20 from the bottom can be driven by the drive of the storage wire 64. The groove 12 penetrates out, so that the entire rubber roll 51 can be replaced. At the same time, the driving cylinder 32 can drive the second support plate 31 to move in the vertical direction, so as to facilitate the maintenance of the structure on the second support plate 31 .

The electrostatic generating device 4 includes an electrostatic generator 40 fixed at the bottom of the conveying pipe 11 and located on the outer side of the supporting plate 30. A metal plate 41 is fixed at the top of the conveying pipe 11 and at the top of the supporting plate 2 31. the metal plate 41 is grounded;

When the powder metal balls pass through the electrostatic generator 40, the electrostatic generator 40 can make the powder metal balls carry the same electric charge, and when the powder metal balls are transported to the top of the conveying pipe 11, they contact the metal plate 41 , which can eliminate the static electricity on the powder metal ball.

In this solution, the circuit operation is an existing conventional circuit, and the circuits and controls involved in the present invention are all in the prior art, and will not be described in detail here.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a pneumatic conveyor for powder, includes feed bin (1) and collection storehouse (10), its characterized in that: a conveying pipe (11) is communicated between the bin (1) and the collecting bin (10), and an auxiliary device (2) capable of treating powder and avoiding collision among the powder is arranged in the conveying pipe (11);

the auxiliary device (2) comprises a plurality of rubber pads (20) arranged in the conveying pipe (11), and a driving device (3) capable of driving the plurality of rubbers to move is arranged on the outer side of the conveying pipe (11);

and the bottom of the conveying pipe (11) is provided with a static electricity generating device (4) capable of treating waste materials.

2. The pneumatic powder conveying device as claimed in claim 1, wherein: the driving device (3) comprises a plurality of connecting grooves (12) which are respectively arranged at the top and the bottom of the conveying pipe (11) and correspond to the plurality of rubber pads (20), the connecting grooves (12) are in sliding connection with the outer sides of the rubber pads (20), a first supporting plate (30) is arranged at the bottom of the conveying pipe (11) and positioned at the outer side of the connecting grooves (12), and a contraction device (5) capable of driving the rubber pads (20) to contract is arranged on the first supporting plate (30);

a second supporting plate (31) is sleeved on the top of the conveying pipe (11) and positioned on the outer side of the connecting groove (12), and a moving device (6) capable of driving the plurality of rubber pads (20) to move is arranged on the second supporting plate (31);

the bottom of the second supporting plate (31) is provided with a driving cylinder (32) capable of driving the second supporting plate (31) to move in the vertical direction, and the bottom of the driving cylinder (32) is connected with the bottom of the collecting bin (10).

3. The pneumatic powder conveying device as claimed in claim 2, wherein: the contraction device (5) comprises a plurality of first support rods (50) arranged at the top of a first support plate (30), the inner sides of the plurality of first support rods (50) are connected with rubber films (51) through bolts, two ends of each first support rod (50) are rotatably connected with a first support frame (52), and the first support frames (52) are connected with the top of the first support plate (30);

and a first driving component (53) capable of driving the first supporting rod (50) and the rubber roll (51) to rotate is arranged at two ends of the first supporting rod (50).

4. The pneumatic powder conveying device as claimed in claim 2, wherein: the moving device (6) comprises a plurality of second supporting rods (60) arranged on a second supporting disk (31), two ends of each second supporting rod (60) are rotatably connected with a second supporting frame (61), the second supporting frames (61) are connected with the bottom of the second supporting disk (31), and two ends of each second supporting frame (61) are provided with second driving assemblies (62) capable of driving the second supporting rods (60) to rotate;

a first reel (63) is arranged on the inner side of the second support rod (60), a containing line (64) is arranged on the reel, and the bottom of the containing line (64) penetrates through the bottom of the conveying pipe (11) and is connected with a bottom moving assembly (7);

the containing line (64) is provided with a connecting device (8) which can be connected with the rubber pad (20);

a plurality of placing grooves (65) are formed in the conveying pipe (11), and positioning rings (66) capable of positioning the rubber pads (20) are connected to the inside of the placing grooves (65).

5. The pneumatic powder conveying device as claimed in claim 4, wherein: remove subassembly (7) including set up in conveyer pipe (11) bottom outside, and with a plurality of bracing pieces one (50) the spool two (70) that correspond, spool two (70) are connected with the one end of accomodating line (64), spool two (70) one end is connected with micro motor (71), micro motor (71) are connected in the motor frame and conveyer pipe (11) outside.

6. The pneumatic powder conveying device as claimed in claim 4, wherein: connecting device (8) are including setting up Y shape connecting wire (80) on accomodating line (64), Y shape connecting wire (80) both ends are provided with couple (81) of being connected with rubber pad (20).

7. The pneumatic powder conveying device as claimed in claim 4, wherein: the driving assembly II (62) comprises driving gears (67) respectively arranged at two ends of the supporting rod II (60), two driving gears (67) close to each other are meshed and connected with each other, any one driving gear is connected to the supporting rod II (60), and the double-end motor (68) is arranged at the top of the supporting disk II (31) through a motor frame.

8. The pneumatic powder conveying device as claimed in claim 1, wherein: the static electricity generating device (4) comprises a static electricity generator (40) which is arranged at the bottom of the conveying pipe (11) and located on the outer side of the first supporting plate (30), a metal plate (41) is arranged on the top inside the conveying pipe (11) and located on the top of the second supporting plate (31), and the metal plate (41) is grounded.

9. The pneumatic powder conveying device as claimed in claim 2, wherein: the contraction device (5) comprises a plurality of first support rods (50) arranged at the top of the first support plate (30), the inner sides of the first support rods (50) are connected with rubber films (51) through bolts, two ends of each first support rod (50) are rotatably connected with a first support frame (52), and the first support frames (52) are connected with the top of the first support plate (30);

and a first driving component (53) capable of driving the first supporting rod (50) and the rubber roll (51) to rotate is arranged at two ends of the first supporting rod (50).

10. The pneumatic powder conveying device as claimed in claim 9, wherein: the first driving assembly (53) comprises vortex springs (54) which are arranged at two ends of the first supporting rod (50) respectively, and a groove (55) connected with the outer side of each vortex spring (54) is formed in the first supporting frame (52).

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